WebAssembly on Kubernetes in 2026 — Spin, wasmCloud, and When WASM Beats Containers

A grounded look at WebAssembly on Kubernetes in 2026. WASI 0.2’s component model, Spin and wasmCloud, runwasi shims, the workloads where WASM is genuinely better than containers, and the ones where it isn’t.

April 28, 2026 · 7 min · 1292 words · Manvendra Rajpoot